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【单选题】
孕妇补铁的主要目的是A.
红细胞增加
B.
肝脏的
C.
脾脏
D.
增强胎儿免疫力
E.
预防贫血
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反馈参考答案：
举一反三
【单选题】I am sure David will be able to find the library, he has a pretty good ______ of direction. [ ]
A.
idea
B.
feeling
C.
experience
D.
sense
【单选题】超声波换能器安装于容器上方，超声波发射到液面，又从液面发射到换能器的时间为t，超声波传播的速度为c，容器的高度为H，则容器内液位的高度为（ ）。
A.
ct
B.
H-ct
C.
H-ct/2
D.
H-ct/4
【单选题】超声波换能器安装于容器上方，超声波发射到液面，又从液面发射到换能器的时间为t，超声波传播的速度为c，那么换能器与液面间的高度h为（ ）。
A.
2ct
B.
ct
C.
ct/2
D.
ct/4
【单选题】– Why don’t we go to the theater this evening? -- ______________.
A.
I think so.
B.
Good idea!
C.
I agree with you.
D.
It’s fine.
【单选题】Mr. Smith was thinking about how to explain to the manager why he was late for work, when a good idea ______ to him.
A.
happened
B.
brought
C.
occurred
D.
struck
【简答题】超声换能器安装于容器上方，超声波发射到液面， 又从液面反射到换能器的时间为 t ，超声波传播的速度为 c,容器的高度是H， 计算容器内液位高度 。
【单选题】关于我国着名园林，下列说法正确的是（）
A.
《枫桥夜泊》涉及的城市是留园所在地
B.
十二兽首曾是颐和园的镇园之宝
C.
承德避暑山庄始建于明代崇祯年间
D.
苏州拙政园整体呈现均衡对称的格局
【单选题】听力原文：M: You call Henry a dreamer，but I think he's got a lot of good ideas． W: Good ideas are only useful if you make something out of them． Q: What does the woman think about Henry? (19)
A.
He has too many dreams.
B.
He just likes to sleep.
C.
He doesn't put his ideas into practice.
D.
He doesn't have many good ideas.
【单选题】听力原文：M: You call Henry a dreamer, but I think he's got a lot of good ideas. W: Good ideas are only useful if you make something out of them. Q: Why does the woman think that Henry is a dreamer? (19)
A.
He has too many dreams.
B.
He likes to sleep.
C.
He doesn't put his ideas into practice.
D.
He doesn't have many ideas.
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